在医疗保健上越来越受到人们青睐的负离子发生器，对促进人体的生长发育和防治多种疾病起着极其重要的作用。它不但被医疗单位广泛使用，目前机关、厂矿、学校、家庭等场所也常可见。负离子发生器产生的离子是看木见、摸不着、无色无味的气体。若判断发生器是否正常工作或判断 Anion generators, which are increasingly favored by people in health care, play an extremely important role in promoting the growth and development of the human body and preventing various diseases. It is not only widely used by medical institutions, but it is also often seen in offices, factories, mines, schools, and families. The ions produced by the negative ion generator are gasses that are barely visible, intangible, and colorless and odorless. If it is judged whether the generator is working or judging